Finding the Fourth Proportional to 258,733.11, 357,058.64 and 142,450.12
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Solution
The fourth proportional to 258,733.11, 357,058.64 and 142,450.12 is: 196,584.98
Step by Step Solution
- Step 1: Write the proportion equation
258,733.11 : 357,058.64 = 142,450.12 : x - Step 2: Convert to fraction form
258,733.11/357,058.64 = 142,450.12/x - Step 3: Cross multiply
258,733.11x = 357,058.64 × 142,450.12 - Step 4: Simplify right side
258,733.11x = 50,863,044,510.14 - Step 5: Solve for x
x = 50,863,044,510.14/258,733.11 - Step 6: Final answer
x = 196,584.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.